tcp: use windowed min filter library for TCP min_rtt estimation

[mirror_ubuntu-artful-kernel.git] / include / linux / tcp.h

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index c723a465125d9060ad1e2747f1105115bc3c8e83..6433cc8b4667eafcdb0c84a7e6e3a8153675a48d 100644 (file)
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -19,6 +19,7 @@
 
 
 #include <linux/skbuff.h>
+#include <linux/win_minmax.h>
 #include <net/sock.h>
 #include <net/inet_connection_sock.h>
 #include <net/inet_timewait_sock.h>
@@ -234,9 +235,7 @@ struct tcp_sock {
        u32     mdev_max_us;    /* maximal mdev for the last rtt period */
        u32     rttvar_us;      /* smoothed mdev_max                    */
        u32     rtt_seq;        /* sequence number to update rttvar     */
-       struct rtt_meas {
-               u32 rtt, ts;    /* RTT in usec and sampling time in jiffies. */
-       } rtt_min[3];
+       struct  minmax rtt_min;
 
        u32     packets_out;    /* Packets which are "in flight"        */
        u32     retrans_out;    /* Retransmitted packets out            */